312221213014 has 8 divisors (see below), whose sum is σ = 474747324120. Its totient is φ = 153972104976.

The previous prime is 312221212973. The next prime is 312221213077. The reversal of 312221213014 is 410312122213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069250584 + ... + 1069250875.

It is an arithmetic number, because the mean of its divisors is an integer number (59343415515).

Almost surely, 2^312221213014 is an apocalyptic number.

312221213014 is a deficient number, since it is larger than the sum of its proper divisors (162526111106).

312221213014 is a wasteful number, since it uses less digits than its factorization.

312221213014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138501534.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 312221213014 its reverse (410312122213), we get a palindrome (722533335227).

The spelling of 312221213014 in words is "three hundred twelve billion, two hundred twenty-one million, two hundred thirteen thousand, fourteen".